Ключевые слова: background, black, blue, building, bulldozer, cabin, construction, detail, digger, dredger, equipment, excavator, front end loader, glass, grey, group, heavy, hose, huge, hydraulic, industry, iron, jackhammer, job, line, machine laver, many, metal, new, nobody, operator, orange, partculas canal alfa, perspective, piston, pneumatic, powerful, profession, ready, row, scoop, shaft, shovel, sky, steel, sunny, technology, track, tractor, wheel, window, work,